Scrapbook Memories celebrates the 20th anniversary of Oakland's last World Series triumph.  We near the halfway point of the season with the still-hurting A's clinging ever so precariously to the top spot in the dangerous American League West. The A's are off today before starting a three-game set in Cleveland.  So we'll look backwards today, and give a proper salute to the '89 champions.  Hey, someone has to. But first, a quick e-mail from m...